Question

factorise:
x^4-y^4 using factorisation
​

Answer 1

Answer:

(x²+y²)(x²-y²)

Step-by-step explanation:

x⁴-y⁴

(x²)² - (y²)²

using identity :- a²-b²= (a+b)(a-b)

(x²+y²)(x²-y²)

Answer 2

Step-by-step explanation:

(x^2+y^2)(x+y)(x+y) yahi hogaa